//
//  ViewController.h
//  RuntimeDemo
//
//  Created by 张敬 on 2019/10/14.
//  Copyright © 2019年 xiuxiu. All rights reserved.
//

#import <UIKit/UIKit.h>

@protocol MyProtocol <NSObject>

@required
- (void)test;

@end


@interface ViewController : UIViewController

@property (nonatomic, weak) id<MyProtocol> delegate;

@end

